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Keto Birthday Mug Cake

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Keto Birthday Mug Cake

Desserts28 February 2026 All Recipes
Prep: 10 min🍳 Cook: N/AReady: 10 min
324
Calories
5g
Net Carbs
10.8g
Protein
27.9g
Fat
Prep: 10 min🔥 Cook: 0 minReady: 10 min

How to Make It

Step 1

If you want to keep the mug looking as clean as possible, prep the batter in a small bowl and transfer it to a cup later on. If that doesn’t matter to you, go ahead and mix the ingredients directly into a 12 oz coffee mug. Melt the butter in the microwave for 25-30 seconds.

Step 2

Add in the almond flour, egg, baking powder, extract, and monk fruit blend and mix well. Then add in ½ of the sprinkles and fold them in.

Step 3

If using a bowl to mix, pour the batter into the coffee mug. Top the batter with the remaining sprinkles. You do not need to grease the coffee mug as the batter has enough fat.

Step 4

Heat the cake in the microwave on high for 1 min 28 seconds or until cooked through. All microwaves behave a little differently, so you will need to adjust the time by adding more time if necessary.

Step 5

In a small bowl, combine the frosting ingredients, which is 2 tbsp of the powdered monk fruit blend and the almond milk. Mix to combine. It should be a thicker icing. By this point, the cake should have cooled slightly. Now, run a knife around the outside edges of the cake. Turn the cake upside down and frost with the icing. Add additional sprinkles on top as desired. Enjoy!

Ingredients

  • Butter – 1 tablespoon
  • Almond flour – 3 tablespoon
  • Raw egg – 1 large
  • Baking powder – 0.5 teaspoon
  • Vanilla extract – 1 teaspoon
  • Monk Fruit Erythritol Blend – 3 tbsp
  • Rainbow Sprinkles (sugar-free) – 0.5 tbp
  • Monk Fruit Erythritol Blend – 3 tbsp
  • Almond milk, plain or original, unsweetened – 0.5 teaspoon

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